{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BRK2BNUMY6WSJVILRCAGO6FOVA","short_pith_number":"pith:BRK2BNUM","schema_version":"1.0","canonical_sha256":"0c55a0b68cc7ad24d50b88806778aea83c90ec93060025ef8188768b5621d797","source":{"kind":"arxiv","id":"1702.08153","version":2},"attestation_state":"computed","paper":{"title":"HPDedup: A Hybrid Prioritized Data Deduplication Mechanism for Primary Storage in the Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Chen Wang, Huijun Wu, Kai Lu, Liming Zhu, Sherif Sakr, Yinjin Fu","submitted_at":"2017-02-27T05:41:59Z","abstract_excerpt":"Eliminating duplicate data in primary storage of clouds increases the cost-efficiency of cloud service providers as well as reduces the cost of users for using cloud services. Existing primary deduplication techniques either use inline caching to exploit locality in primary workloads or use post-processing deduplication running in system idle time to avoid the negative impact on I/O performance. However, neither of them works well in the cloud servers running multiple services or applications for the following two reasons: Firstly, the temporal locality of duplicate data writes may not exist i"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1702.08153","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2017-02-27T05:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"1aa45fa7ac479cf6725546161f4e13d4b9895a2087893937cb55c9d49cf894df","abstract_canon_sha256":"9587afe6da3d2af10e20e1142497d24af42729853ff473326361be6ee2444e40"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:18.469213Z","signature_b64":"narmVWvnswbORK6FPbR+5nRJcdO6rX+OhGIDdi/OGlhrbFeYSMQp/lloNQKTpPrz+qAjLR1UVbovdqhanUaLAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c55a0b68cc7ad24d50b88806778aea83c90ec93060025ef8188768b5621d797","last_reissued_at":"2026-05-18T00:46:18.468725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:18.468725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"HPDedup: A Hybrid Prioritized Data Deduplication Mechanism for Primary Storage in the Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Chen Wang, Huijun Wu, Kai Lu, Liming Zhu, Sherif Sakr, Yinjin Fu","submitted_at":"2017-02-27T05:41:59Z","abstract_excerpt":"Eliminating duplicate data in primary storage of clouds increases the cost-efficiency of cloud service providers as well as reduces the cost of users for using cloud services. Existing primary deduplication techniques either use inline caching to exploit locality in primary workloads or use post-processing deduplication running in system idle time to avoid the negative impact on I/O performance. However, neither of them works well in the cloud servers running multiple services or applications for the following two reasons: Firstly, the temporal locality of duplicate data writes may not exist i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08153","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1702.08153","created_at":"2026-05-18T00:46:18.468803+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.08153v2","created_at":"2026-05-18T00:46:18.468803+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08153","created_at":"2026-05-18T00:46:18.468803+00:00"},{"alias_kind":"pith_short_12","alias_value":"BRK2BNUMY6WS","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BRK2BNUMY6WSJVIL","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BRK2BNUM","created_at":"2026-05-18T12:31:08.081275+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA","json":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA.json","graph_json":"https://pith.science/api/pith-number/BRK2BNUMY6WSJVILRCAGO6FOVA/graph.json","events_json":"https://pith.science/api/pith-number/BRK2BNUMY6WSJVILRCAGO6FOVA/events.json","paper":"https://pith.science/paper/BRK2BNUM"},"agent_actions":{"view_html":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA","download_json":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA.json","view_paper":"https://pith.science/paper/BRK2BNUM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.08153&json=true","fetch_graph":"https://pith.science/api/pith-number/BRK2BNUMY6WSJVILRCAGO6FOVA/graph.json","fetch_events":"https://pith.science/api/pith-number/BRK2BNUMY6WSJVILRCAGO6FOVA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA/action/storage_attestation","attest_author":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA/action/author_attestation","sign_citation":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA/action/citation_signature","submit_replication":"https://pith.science/pith/BRK2BNUMY6WSJVILRCAGO6FOVA/action/replication_record"}},"created_at":"2026-05-18T00:46:18.468803+00:00","updated_at":"2026-05-18T00:46:18.468803+00:00"}